The solemn commemoration comes amid a worldwide spike in antisemitism and new surveys suggesting basic knowledge of the Holocaust is eroding.

Eighty years after the liberation of Auschwitz, genocide, the persecution of millions of people because of their origin, war and even the possible use of nuclear weapons are once again considered “normal.

One man's daring mission to infiltrate Auschwitz revealed its atrocities to the world – this is his story.

Monday's ceremony is widely being treated as the last major observance that any notable number of survivors will be able to attend.

Tomorrow marks the 80th anniversary of the liberation of Auschwitz-Birkenau, the Nazi concentration and death camp where more than 1.1 million people were murdered between 1940 and 1945, about 85% of whom were Jews.

Survivors of Auschwitz are returning to the notorious Nazi concentration camp to mark the 80th anniversary of its liberation by the Red Army. NBC News’ Jay Gray reports from Oświęcim, Poland.

Birkenau, clutching her mother’s hand as they were being pushed by German soldiers and their barking dogs into the largest Nazi death camp. Now 91, Doniecka still remembers the German phrase “schneller,

Holocaust survivors and world leaders have begun to gather in Poland to mark the 80th anniversary of the liberation of the Nazi German Auschwitz-Birkenau death camp.

Commemorations are being held Monday to mark the 80th anniversary of the liberation of the Auschwitz death camp by Soviet troops.

During World War II, men, women and children were transported from across Europe to Auschwitz-Birkenau, horrendous journeys in which they were packed into cramped cattle cars.

World leaders and a dwindling group of survivors are joining ceremonies to mark the 80th anniversary of the liberation of the Nazi death camp by the Red Army.

World leaders will be in Poland Monday to mark Holocaust Memorial Day and the 80thanniversary of the liberation of Nazi Germany’s Auschwitz-Birkenau concentration camp.